# Shiori vs On

The clearest difference is iOS requirement: On at 16.0 against Shiori's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Shiori sells 5 one-off in-app purchases and On sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Shiori ships an update weekly, On every 2 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | Shiori | On |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 2 MB | 101 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hirosuke Yonekubo](https://appshunter.io/developer/1625472869) | [Yuji Nishida](https://appshunter.io/developer/6778660538) |

## What reviewers say

### Shiori

[App page](https://appshunter.io/ios/app/shiori-reading-guide/id6764091272)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A bookmark | $0.99 | one-time |
| A paperback | $1.99 | one-time |
| A textbook | $5.99 | one-time |
| A hardcover | $9.99 | one-time |
| A first edition | $19.99 | one-time |


### On

[App page](https://appshunter.io/ios/app/on-doku/id6778660535)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| On-DOKU プレミアム | $4.99 | per month |
| On-DOKU プレミアム（年額） | $34.99 | per year |


## Frequently asked questions

### Is Shiori free?

Shiori is free to download, with in-app purchases available.

### Is On free?

On is free to download, with in-app purchases available.

### Do Shiori or On have ads?

Neither Shiori nor On shows ads.

### Which is updated more often, Shiori or On?

Shiori ships an update weekly, and On every 2 weeks. Most recently, Shiori was updated on November 5, 2026 and On on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*